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gregory b shoemaker Posted on Oct 22, 2014

What should the fuel pressure be on a 2000 gmc jimmy 4+4 4 door v 6

Need the right pressure on the fuil pump

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Connie Brunette

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  • Posted on Oct 22, 2014
Connie Brunette
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This system should be at 60-66 psi NO MORE NO LESS.If the pressure is low it can be the fuel pump but can also be the fuel pressure regulator valve so make sure you check the FPR

5 Related Answers

psds4

pat murray

  • 293 Answers
  • Posted on Oct 11, 2008

SOURCE: How TO REPLACE A IN TANK FUEL PUMP ON A 2000 gmc jimmy

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c152800a13e9
hope this helps

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Anonymous

  • 2 Answers
  • Posted on Nov 29, 2008

SOURCE: 2000 GMC Jimmy will not start

The oil presure switch does have some bearing on the problem but my suggestion is to change the coil. I had a the same problem with an astro van. I changed everything that you have described and it fixed the problem just for a little while and then all of a sudden did it again. I changed the coild and the cold start swithch and never had the problem again.

66 chrgr

mike loshbough

  • 1011 Answers
  • Posted on Mar 22, 2009

SOURCE: 2000 gmc jimmy wont start fuel pump comes on and cuts off...

the fuel pressure if leaking could cause this the regulator is located under the intake plenum but you should smell gas .if you dont then most likely the pump is bad ,the pump will come on for 2 seconds when the key is on then go off it will not stay on with just the key on only when you crank it will it .so have your fuel pressure checked with a gauge.

Anonymous

  • 1 Answer
  • Posted on Jul 13, 2009

SOURCE: 2000 GMC Jimmy won't start

i had the same problem and replaced the fuel pressure regulator. Cost about $45 at advance auto store or about $90 at napa auto stores. Once i replace that my truck started right yup and runs like a champ

Anonymous

  • 34 Answers
  • Posted on Jan 05, 2010

SOURCE: how do you replace a fuel pressure regulator on a

it is located inside the manifold,

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How much pressure should the fuel pump on a 2000 gmc jimmy sle 4+4 4 door

Between 55 and 63 psi with ignition in on position and fuel pump energized not less than 45 psi upon 5 minute bleed down with pump not energized.
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The pump is powered by the relay. The relay is grounded by the computer. It gets a ground signal for the first 3 seconds, then only if the computer sees oil pressure or RPM to know the engine is running.
You should be able to ground the relay and run the pump for several minutes. After 30 seconds you should be at max pressure.
Normal pressure is 15psi for a truck that has throttle body injectors such as a mid 80s model, and 65psi for trucks that have port fuel injection like yours.
You may have the wrong pump.
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My 2000 jimmy will not start replace fuil pump crack sensor.fuil get to injector.but injector dose not open put noid light on harness but light dose not come on.checked all fuse.an they r good an relays r...

Sounds like a bad ICM (Ignition control module). You can remove it and have it tested at Auto Zone or Parts Source before you buy the replacement ICM.

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this started happening a year or so before my fuel pump whent in my 01 blazer, the fuel pump and the sending unit for the gage are an all in one pice unit that sit's right in the tank
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Will a 1995 Chevy Blazer fuel pump work in a 2000 GMC Jimmy? If not, what years are compatible with a 2000 GMC Jimmy?

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i had the same problem and replaced the fuel pressure regulator. Cost about $45 at advance auto store or about $90 at napa auto stores. Once i replace that my truck started right yup and runs like a champ
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2000 gmc jimmy wont start fuel pump comes on and cuts off but will not start.I have changed the fuel filter and that did not work. Is the pump not building the pressure it needs to start or would my...

the fuel pressure if leaking could cause this the regulator is located under the intake plenum but you should smell gas .if you dont then most likely the pump is bad ,the pump will come on for 2 seconds when the key is on then go off it will not stay on with just the key on only when you crank it will it .so have your fuel pressure checked with a gauge.
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Need to check for fuel pressure and volume. If you turn the key on and you have pressure, then you should be able to start and run. If your fuel pressure gauge has a releif hose on it, then while running, dump fuel into a jug and the engine should stay running. If the vehicle will not start but cranks over, then turn the key off and on a few times. the fuel pump will only stay on for a few seconds and cycle off. Sounds like you are losing your fuel prime from the pump to the engine. Only fix is to replace the fuel pump if you are losing your prime.
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2000 gmc jimmy wont start fuel pump comes on and cuts off but will not start.I have changed the fuel filter and that did not work. Is the pump not building the pressure it needs to start or would my...

When you hook the pressure test guage to shrader valve on fuel rail what it reads is what the pressure is from pump, around 60 p.s.i. all you need to do is hook up the guage and turn on key, you do not have to turn engine over, and if pump is good it will shoot up to 58 or 60 right now.
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